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Space Relative Position and Attitude Measurement Method Based on Solid State Lidar and High Precision Cooperative Target
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Space Relative Position and Attitude Measurement Method Based on Solid State Lidar and High Precision Cooperative Target
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Journal Article
Space Relative Position and Attitude Measurement Method Based on Solid State Lidar and High Precision Cooperative Target
2023
Overview
With the continuous advancement and upgrading of human space exploration, the complexity and difficulty of space missions are increasing. Space manipulation, rendezvous and docking, and situation awareness of non cooperative targets have become important components of space missions. Relative position and attitude navigation system is an important part of space rendezvous and docking and space manipulation system. At present, the method of matching with cooperative target is mainly used for high-precision relative position and attitude measurement. This paper introduces a method of matching solid-state lidar with high-precision cooperative target for attitude determination. First, a design method of three-dimensional cooperative target is carried out, and then a mathematical model of target recognition is constructed. Three criteria for recognition and matching are proposed. In the third part of the article, the specific process of this method is introduced, and experimental verification is carried out. The experiment shows that the method can achieve the position measurement accuracy of 0.006m and the attitude measurement accuracy of 0.15 ° , and has important application value in various high-precision space missions.
Publisher
IOP Publishing
Subject
